Table 2.

Participant summary scores for key intervention targets before video game intervention and at 12-week follow-up.

Mean outcome summary scoresa	Baseline, mean (SD)	12-week follow-up, mean (SD)	P value (baseline to follow-up)
Intention score (0-64)b	42.68 (8.03)	42.95 (7.94)	.75
Self-efficacy score (0-44)c	31.39 (5.57)	32.55 (7.18)	.42
Risk (misperception) score (0-44)d	29.38 (5.28)	26.65 (6.62)	.14
Knowledge score (0%-100%)e	26.71 (11.25)	32.77 (14.82)	.12

^aHigher scores indicate improved intentions, self-efficacy, and risk perceptions as measured using a 5-point Likert scale where 4=I strongly agree, 3=I agree, 2=I am not sure, 1=I disagree, and 0=I strongly disagree. The statements are worded in the affirmative. For example, “If I have sex without contraception (something to prevent pregnancy), I would probably get pregnant (or get someone pregnant).”

^b16 questions; Cronbach α=.80; n=18 [19,35].

^c11 questions; Cronbach α=.73; n=19 [19,46,47].

^d11 questions; Cronbach α=.70; n=19 [18,19].

^e35 questions; percent correct out of 35 questions; n=14 [1,35,48].